//
//  NSDataHelper.h
//  Enormego Helpers
//
//  Created by Shaun Harrison on 4/9/09.
//  Copyright (c) 2009 enormego
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//


#import <Foundation/Foundation.h>

@interface NSData (TPCategory)

@property(nonatomic,readonly,getter=isEmpty) BOOL empty;

@end
/*
	Base64 Methods

	Created by Matt Gallagher on 2009/06/03.
	Copyright 2009 Matt Gallagher. All rights reserved.

	Permission is given to use this source code file, free of charge, in any
	project, commercial or otherwise, entirely at your risk, with the condition
	appreciated but not required.

 */
@interface NSData (Base64Helper)
///--------------
/// @name Hashing
///--------------

/**
 Returns a string of the MD5 sum of the receiver.
 
 @return The string of the MD5 sum of the receiver.
 */
- (NSString *)MD5Sum;

/**
 Returns a string of the SHA1 sum of the receiver.
 
 @return The string of the SHA1 sum of the receiver.
 */
- (NSString *)SHA1Sum;

/**
 Returns a string of the SHA256 sum of the receiver.
 
 @return The string of the SHA256 sum of the receiver.
 */
- (NSString *)SHA256Sum;

+ (NSData *)dataFromBase64EncodedString:(NSString *)aString;
+ (id)dataWithBase64EncodedString:(NSString *)string;
- (NSString *)base64EncodedString;

@end